Headset



FIG. 1 is a right perspective view of a headset showing my new design;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing environmental structure or surface ornamentations is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a headset, as shown and described. 